Today in fear-mongering: "Sitting Is a Silent Killer," Bloomberg warns us, quoting a study from the Karolinska Institute and the Swedish School of Sport and Health that claims "too much sitting, and not just a lack of exercise, may cause heart disease and other life-threatening illnesses." Great: Like we didn't have enough to fear from terrorists, natural disasters, traffic from the Holland Tunnel. Now we have to fear our own asses. [Bloomberg]